A) By adding water in \[{{H}_{2}}S{{O}_{4}}\]
B) By adding \[{{H}_{2}}S{{O}_{4}}\]in water
C) By adding glacial acetic acid in \[{{H}_{2}}S{{O}_{4}}\]
D) None of the above
Correct Answer: B
Solution :
Concentrated \[{{H}_{2}}S{{O}_{4}}\] is diluted by adding the conc. \[{{H}_{2}}S{{O}_{4}}\] in the water drop by drop with constant stirring because it is an exothermic reaction and by doing so heat is generated slowly and dissipated in the atmosphere.
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